Math, asked by deepak171035, 7 months ago

4 sin A COSA
Cos2A = Sin4a

Answers

Answered by honeypuppy

0

L.H.S. = sin 4A

= 2 sin 2A- cos 2A = 2(2 sin A cosA)(cos2 A – sin2 A)

= 4 sin A • cos3 A – 4 cos A sin3 A = R.H.S

Previous Question

Next Question

Similar questions

Music, 3 months ago

who is th best actor in wold...

Biology, 3 months ago

Describe Digestion in Human being?

Math, 3 months ago

Identify the operations (addition, subtraction, division, multiplication) in forming the following expressions and tell how the expressions have been formed. (a) 2 +1,3-1, y + 17, y - 17 у b) 17y, Y 17 (d) 7 m, - 7 m + 3,- 7 m - 3 (c) 2y + 17,2 y - 17...

English, 7 months ago

I'm very sorry that ________ I've betrayed you. you think so I look why you think you should think...

Computer Science, 7 months ago

in the Options bar, the _________ option changes the dark areas.

Chemistry, 11 months ago

10g nacl is dissolved in 140g of water. calculate mass% of solute and solvent...

Math, 11 months ago

what is the buoyant force on a helium balloon with a radius of 30 cm in air, if the density of air is 1.9 kg m3...

Math, 11 months ago

5x2 – 15x – 20. answer fast...